Childrenatthebeginningofthiscentury

问题详情：

Children at the beginning of this century ____ a lot and ____ themselves

greatly even without television.

  A. used to read; enjoying          B. used to read; enjoyed

  C. were used to reading; enjoy      D. were used to read; enjoying

【回答】

B

知识点：非谓语动词

题型：选择题